You can continue on the birth control pill—it’s still just as effective—but be vigilant about taking your pill each day at the same time, even at the beginning of your cycle, says Dr. Timothy Rowe, a Vancouver gynecologist.
Remember that natural planning and the rhythm method may put you at risk for unexpected pregnancy.
Talk to your doctor about your cycle if you’re considering fertility treatment. “Knowing that women may ovulate more than once a month could lead to an adjustment of hormones and better results,” says Pierson.
Premenstrual syndrome (PMS)
Understand that you may experience PMS-related mood changes weeks before and after your period, says Dr. Shaila Misri of the B.C. Women’s Hospital and Health Centre in Vancouver. Calcium- and magnesium-rich foods can help relieve symptoms.